The MSR Dromlite Bag is 30% lighter than most dromedary bags. This ultralight version weighs less, but still features a tough 200 denier Cordura exterior for reliable, backcountry water storage and delivery. Inside is the same BPA Free, food grade polyurethane laminate that can handle freezing and accessories like the shower or Hydration Kit increase your option on any journey. Its large opening makes it easy to use and is threaded to fit MSR water filters for no spill pumping. The 3 in 1 cap lets you fill, drink, and pour with ease. A smaller flip top cap unscrews from the main cap to reveal a half inch opening that will allow a reduced flow of liquids. Use the flip top valve for a a fine squirt. BPA free. Dimensions: Size: 6 liters 11 in x 22 in 28 cm x 56 cm Wt. 5.7 oz 162 g Material: 200 D Cordura 3 in 1 cap lets you fill, drink, and pour with ease. Capacity: 6 liters 210 fl. oz High capacity yet collapsible for efficient packing. Grommet allows for convenient pack attachment and hanging.